JPS6050541U - Signal switching circuit - Google Patents
Signal switching circuitInfo
- Publication number
- JPS6050541U JPS6050541U JP14023883U JP14023883U JPS6050541U JP S6050541 U JPS6050541 U JP S6050541U JP 14023883 U JP14023883 U JP 14023883U JP 14023883 U JP14023883 U JP 14023883U JP S6050541 U JPS6050541 U JP S6050541U
- Authority
- JP
- Japan
- Prior art keywords
- reference voltage
- signal
- voltage terminal
- diodes
- switching circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Electronic Switches (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の信号切換回路を示す回路図、第２図は第
１図の等何回路を示す回路図、第３図は本考案の一実施
例に係る信号切換回路を示す回路図、第４図は本考案の
他の実施例に係る信号切換回路を示す回路図である。
１１．１２・・・入力端子、１３・・・電源端子、１４
．１５・・・制御端子、１６・・・出力端子、Ｄ３．
Ｄ。
・・・ダイオード、Ｑｓｔ Ｑｅ・・・トランジスタ、
Ｒ７〜Ｒ□３・・・抵抗。
第２図
第３図FIG. 1 is a circuit diagram showing a conventional signal switching circuit, FIG. 2 is a circuit diagram showing the same circuit as shown in FIG. 1, and FIG. 3 is a circuit diagram showing a signal switching circuit according to an embodiment of the present invention. FIG. 4 is a circuit diagram showing a signal switching circuit according to another embodiment of the present invention. 11.12...Input terminal, 13...Power terminal, 14
．． 15... Control terminal, 16... Output terminal, D3.
D. ...diode, Qst Qe...transistor,
R7~R□3...Resistance. Figure 2 Figure 3
Claims (2)
一方、第２の信号を第２のダイオードの一端に供給し、
各第１及び第２のダイオードの他端同士が接続された接
続点と第１の基準電圧端子との間に第１のバイアス抵抗
を接続するととｊもに、前記第１及び第２のダイオード
の各一端は第２の基準電圧端子との間に夫々第２及び第
３のバイアス抵抗を有し、かつ前記第１の基準電圧端子
との間にコレクターエミツタ路が夫々介在される第１及
び第２のトランジスタを有し、これら第１及び第２のト
ランジスタのベースに印加される制御信号で前記第１及
び第２のダイオードをオンオフさせて第１又は第２の信
号のいずれか一つを選択するようにした信号切換回路。(1) supplying the first signal to one end of the first diode, and supplying the second signal to one end of the second diode;
When a first bias resistor is connected between the connection point where the other ends of each of the first and second diodes are connected and the first reference voltage terminal, both the first and second diodes have second and third bias resistors, respectively, between one end of the first reference voltage terminal and a second reference voltage terminal, and a collector-emitter path is interposed between the first reference voltage terminal and the first reference voltage terminal. and a second transistor, and turns on and off the first and second diodes with a control signal applied to the bases of the first and second transistors to generate either the first or second signal. A signal switching circuit that selects
各一端は前記第１及び第２のダイオードの接続点に共に
接続し、各他端は夫々前記第１及び第２のトランジスタ
のコレクタに接続した実用新案登録請求の範囲第１項に
記載の信号切 ゛検回路。(2) Two first bias resistors are provided, one end of each is connected to the connection point of the first and second diodes, and the other end is connected to the connection point of the first and second transistors, respectively. The signal cutoff detection circuit according to claim 1 of the utility model registration claim, which is connected to a collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14023883U JPS6050541U (en) | 1983-09-12 | 1983-09-12 | Signal switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14023883U JPS6050541U (en) | 1983-09-12 | 1983-09-12 | Signal switching circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6050541U true JPS6050541U (en) | 1985-04-09 |
Family
ID=30314056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14023883U Pending JPS6050541U (en) | 1983-09-12 | 1983-09-12 | Signal switching circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6050541U (en) |
-
1983
- 1983-09-12 JP JP14023883U patent/JPS6050541U/en active Pending
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